Complete the code to identify the primary goal of OS hardening.
The main purpose of OS hardening is to [1] the system against attacks.OS hardening means making the system more secure by protecting it from attacks.
Complete the code to name a common OS hardening practice.
One common OS hardening step is to [1] unnecessary services.Disabling unnecessary services reduces the attack surface of the system.
Fix the error in the statement about password policies.
Strong password policies require users to [1] passwords regularly.Changing passwords regularly helps prevent unauthorized access.
Fill both blanks to complete the best practice for firewall configuration.
A good firewall setup [1] all incoming traffic by default and [2] only trusted connections.
Firewalls should block all incoming traffic by default and allow only trusted connections to improve security.
Fill all three blanks to complete the dictionary comprehension for checking system updates.
updates = { [1]: [2] for [3] in installed_packages if packages[[3]] == 'outdated' }This comprehension creates a dictionary of package names and their versions for packages marked as outdated.